Two tests are required and the ten percent fines values (TFV) are averaged to obtain the final result, reported to the nearest 10 kN (for forces > 100kN) PROCEDURE Aggregate Crushing Value (SS 1974) 1. The apparatus and sample preparation is identical with that described above for the Ten Percent Fines Test.
Aggregate Crushing Value Test Anna University . ggregate crushing value= 100 W2 WI mean of the crushing value obtained in the two te;tsis reported as the aggregate crushing value. Determination of Ten Percent Fines Value The 'ten percent fines' value is a measure of resistance of tbe aggregates to the crushing. The apparatus. Get Price
This document gives the test method for determination of ten percent fines value (TFV) of aggregates. This method gives a relative measure of the resistance of the aggregate crushing under the gradually applied compressive load. It covers two sets of procedures: — the first procedure is applicable for aggregates tested in dry condition; and
Apparatus for determining ten percent fines value. Created Date: 8/19/2008 1:38:49 PM ...
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03/10/2019 · The crushed aggregate sample which is finer than mm is separated and expressed as a percentage of the original weight taken in the mould. The percentage of weight passed through the IS sieve is known as Aggregate crushing value.. In situations, when the aggregate value 30 or higher the result may be a mistake and in such cases, the "ten percent fines value" should be determined ...
Aggregate Crushing Value ACV and Ten Percent Fines Value TFV These tests are a measure of the crushing properties of aggregate and use the same basic equipment. The ACV test requires a standard load of 400 kN to be applied over a period of 10 minutes while the TFV test measures the force required to produce a specified depth of plunger
The mean of the crushing value obtained in the two tetsis reported as the aggregate crushing value Determination of Ten Percent Fines Value The ten percent fines value is a measure of resistance of tbe aggregates to the crushing The apparatusand materials used are the same as for tbe standard aggregate crushing test.
Ten Percent Fines Load (BS 812, Part 3: 1975) This test is a modifiion of the A C V test. When values of A C V exceed 30%, the sensitivity of the A C V test is impaired by the filling of pore spaces between particles with crushed fine material, produced in the course of the test. The 10% fines test was designed to overcome this problem.
Determination of 10% Fines Value Determination of 10% Fines Value Lab. Test Reference 008 British Standard Reference BS812 : 1990 Part 111 Principal Apparatus as follows:It is suggested that each of the pieces of equipment should be given an Inventory Number (i) Open Ended Cylinder 150mm nominal internal diameter, base plate and plunger.
26/03/2013 · certifie of test — determination of ten percent fines value to 812 pt 111: 1990. laboratory sample no: 1137 certifie no: a11/1087/90 METHOD B2 THE DETERMINATION OF THE 10 PER CENT FINES .
Physical Tests Crushing Ten Per Cent Fines Value (TFV) Test Measure of resistance to crushing BS 812111: 1990 Testing aggregates Methods for determination of ten per cent fines value (TFV) 15 60kg of particles in the 10 mm to 14 mm size range Low TFV are indiive of weak aggregates, and confirm low quality
Testing aggregates Part 111: Methods for determination of ten per cent fines value (TFV
percent fines value tfv for nigerian aggregates uche o a u and muhammad i g 2 2 2 ten percent fines tfv test the, the 10 per cent fines aggregate crushing value is the force in kn required to crush a sample of 13 2 9 5mm aggregate so that 10 per cent of the total test sample will pass a 2 36 mm sieve
.The mean of the crushing value obtained in the two te<;tsis reported as the aggregate crushing value. Determination of Ten Percent Fines Value The 'ten percent fines' value is a measure of resistance of tbe aggregates to the crushing. The apparatusand materials used are the same as for tbe standard aggregate crushing test.
such cases the 'ten percent fines value' should be determined instead. NOTE 2 The standard aggregate crushing test shall be made on aggre a IS Sieve and retained on a IOmm IS Sieve.
03/12/2020 · Determination Of Ten Percent Fines Value Help . Repeat the complete test procedure for another three or more samples with the same of the aggregates at different loads that gives a percentage fines value within the range of % to %.
The Difference Aggregate Crushing Test Aggregate Impact ... Aggregate crushing value (acv) ten percent fines value (tfv)207 Кб. IDENTIFICATION A 258 AGGREGATE IMPACT VALUE (AIV) APPARATUS BS 812112 Used to determine ...